The decision about whether it is wise for you (meaning, your body, forget about the motorcycle) to enter Russia at this time depends entirely on what passport you plan to use to enter Russia.

If you are a citizen of Canada, I think it would be unwise to enter Russia at this time because the Canadian government has come down quite clearly on the side of Ukraine in the current Russia-Ukraine conflict. This will certainly affect the level of consular service that the Canadian government can provide you with while you are in Russia, and your Canadian citizenship might even affect how you are treated by Russian citizens while you are in the country.

On the other hand, if you are travelling on a passport from Abu Dhabi, then do a little research and find out what position (if any) your government has taken on this conflict, and govern yourself accordingly.

Speaking both as a Canadian citizen and as a very experienced world traveller, I do not think it would be a good idea to visit Russia at this time due to the Russia-Ukraine conflict. Russia will still be there when this conflict ends, you can go visit it then. In the meantime, pick a place to visit that presents less risk to your personal security.

As for importation of the moto - I have imported aircraft into Russia numerous times (both for temporary transit, and for delivery to Russian airlines) and the process for importation is identical no matter which location you pick to enter the country. It is complex, takes a lot of time, and all the paperwork needs to be flawless, every 'T' crossed and every 'I' dotted, or you don't get in. The customs and immigration officers are professional and polite, but they have absolutely no latitude at all to make discretionary allowances if there is even the tiniest flaw in any of the paperwork.